138164378913

Names of 138164378913

• Cardinal: 138164378913 can be written as One hundred thirty-eight billion, one hundred sixty-four million, three hundred seventy-eight thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 1.38164378913 × 10¹¹

Factors of 138164378913

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 268

Divisors of 138164378913

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 9 11 27 33 43 81 99 129 211 243 297 387 473 633 729 891 1161 1419 1899 2187 2321 2673 3483 4257 5697 6561 6963 8019 9073 10449 12771 17091 20889 24057 27219 31347 38313 44521 51273 62667 72171 81657 94041 99803 114939 133563 153819 188001 244971 282123 299409 344817 400689 461457 489731 564003 734913 898227 1034451 1202067 1384371 1469193 1692009 1914403 2204739 2694681 3103353 3606201 4407579 5076027 5743209 6614217 8084043 10818603 13222737 15228081 17229627 19842651 21058433 24252129 32455809 39668211 51688881 59527953 63175299 72756387 97367427 119004633 155066643 189525897 218269161 292102281 357013899 465199929 568577691 654807483 1071041697 1395599787 1705733073 3213125091 4186799361 5117199219 12560398083 15351597657 46054792971 138164378913
• Sum of all divisors σ(n): 232434815184
• Sum of proper divisors (its aliquot sum) s(n): 94270436271
• 138164378913 is a deficient number, because the sum of its proper divisors (94270436271) is less than itself. Its deficiency is 43893942642

Bases of 138164378913

• Binary: 10000000101011001111010001110100100001₂
• Hexadecimal: 0x202B3D1D21
• Base-36: 1RGZI529

Squares and roots of 138164378913

• 138164378913 squared (138164378913²) is 19089395600415039061569
• 138164378913 cubed (138164378913³) is 2637474486955898596966315252294497
• The square root of 138164378913 is 371704.6931543911
• The cube root of 138164378913 is 5169.7002560213

Scales and comparisons

• 138,164,378,913 seconds is equal to 4,393 years, 10 weeks, 2 days, 18 hours, 8 minutes, 33 seconds.
• To count from 1 to 138,164,378,913 would take you about eight thousand, seven hundred eighty-six years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 138164378913 cubic inches would be around 430.8 feet tall.

Recreational maths with 138164378913

• 138164378913 backwards is 319873461831
• The number of decimal digits it has is: 12
• The sum of 138164378913's digits is 54
• More coming soon!